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Finding the Fourth Proportional to 124,493.72, 186,712.13 and 35,746.52

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Solution

The fourth proportional to 124,493.72, 186,712.13 and 35,746.52 is: 53,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493.72 : 186,712.13 = 35,746.52 : x
  2. Step 2: Convert to fraction form
    124,493.72/186,712.13 = 35,746.52/x
  3. Step 3: Cross multiply
    124,493.72x = 186,712.13 × 35,746.52
  4. Step 4: Simplify right side
    124,493.72x = 6,674,308,045.09
  5. Step 5: Solve for x
    x = 6,674,308,045.09/124,493.72
  6. Step 6: Final answer
    x = 53,611.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.